package lab02.test27;

import java.util.InputMismatchException;
import java.util.Scanner;

/**
 * Created by Administrator on 2017/11/2.
 */
public class Test {
    public static void main(String[] args) {
        int a = 0;
        Scanner scanner = new Scanner(System.in);
        System.out.println("please input an int:");
        try {
            a = scanner.nextInt();
        }
        catch (InputMismatchException e){
            System.out.println("类型不匹配！！！");
        }
        System.out.println("a=" + a);
    }
}         //1、那些代码会出错  try{}
           //2、会出什么错  catch()
           //3、出现了如何处理？  catch{}